<style>
  body {
    /* 内边距 */
    padding: 10vh 10vw;
  }
</style>
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <title>Document</title>
</head>

<body>
  <h1 id="hi">你好呀👋</h1>
  <h2>
    My name is 加载中…… 👦
  </h2>
  <p class="intro1">
    加载中
  </p>
  <p id="about">
    加载中……
  </p>

  <a href="index.html">返回</a>
</body>
<script src="assets/js/intro.js"></script>
</html>